Needle Roller And Cage Assembly INA K15-21-21 15 mm ID 21 mm OD 21 mm Width Beefy Load Handling In Tight Radial Spaces For Precision Machinery And Rolling Support

INA K15-21-21 Needle Roller and Cage Assembly, 15 mm ID
✔️ 15 mm ID, 21 mm OD, 21 mm width; single bearing unit

Needle roller and cage assemblies use long, slender rollers to deliver high load capacity in tight radial spaces. Their compact cross-section makes them ideal for precision machinery, rolling supports, and automated systems where space is limited.

✅ Inner diameter (ID) 15 mm
✅ Outer diameter (OD) 21 mm
✅ Width 21 mm
✅ Robust steel cage construction ensures durability and steady load handling

💡 What is a needle roller and cage assembly used for in precision machinery? This handy component provides smooth support for rotating shafts in tight spaces, making high precision possible in compact designs.

• Needle rollers give a slim profile with strong radial load support
• Best for CNC, automation, and robotics where space is tight
• Steel cage locks the rollers and distributes load evenly
• Suitable for mounting in compact linear slide units and rolling supports